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16 September, 06:20

What coefficient of O2 is needed to balance the equation C3H8 + O2 - > 3CO2 + 4H20?

a. 2

b. 3

c. 5

d. 6

+3
Answers (2)
  1. 16 September, 06:36
    0
    C3H8 + 5O2 - > 3CO2 + 4H20

    there is 10 oxygens

    6 in CO2 and 4 in H2O

    10:2=5

    answer is 5
  2. 16 September, 06:50
    0
    I think it is 5 bc there are 10 Os on one side and 2 on the other
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